| Cleaning and Sterilization |
The welded area at panel 45 & 90 on all four sides shall be tested with Dye Penetrant test to avoid pinholes. All welded area shall be cleaned with pickling acid and passivated to protect against contamination and corrosion. Panel handling and sterilization of finish panel shall conform to American Iron & Steel Institute (AISI) procedures |
| Packing |
Each panel shall be protected with protective sheet to avoid contamination during handling. Wooden pallet packing and strapping are provided for protection |
Thickness of Tank Panels size(s): 1M x 1M or 1.22M x 1.22M)
Tank Height: 1m/1.22m : Bottom, sides walls - 2.0mm
Tank Height: 2m/2.44m : |
| Tank installation |
Tank shall be installed in according to manufactures installation manual, specifications, standards & drawing provided or supervise by manufacturer authorized person |
| Leak test |
Leak teat with water felling at intermediate level of 1m or 122m and to be repeated until it reaches the intended water level |
| Panel |
Hydraulically pressed with a combined double flanges welding at an angle of 45 & 90 or 90 to the face of the panel on all four sides complete with bolts holes |
| Reinforcement |
Tank is supported either internally bracing (stays) and cleats (brackets) or externally by cold-formed hollow sections or I-Beam to ensure rigidity of tank up to maximum operating level. The internal accessories i.e stays and cleats shall of equivalent stainless steel grade of panel with double washer at bottom tier of tank for 4.88M height tank |
General Application
A potable water and food grade quality for water storage or corrosive liquid. Stainless steel tank is also suitable for corrosive or seaside environment
Approvals & Certifications
Suruhanjaya Perkhidmatan Air Negara (SPAN)
NSF61
TUV SUD PSB Singapore to SS22 : 1979
Type
'SUNNIK' stainless steel grade 304, 444 and 316 (L) low carbon
Dimension
Each panel steel of size 1.0m X 1.0mm or 1.22m X 1.22m square bolted in multiple to suit storage capacity or size
Material specifications
Stainless steel material according to EN 10088-1:2005 & ASTM A240. Steel plates shall be manufactured according to BS EN 10240. The tank panels, stays, cleats and pads shall be manufactured according to BS1564:1975 or SS22:1979. Material shall be of local or European mills
Panel
Hydraulically pressed with a combined double flanges welding at an angle of 45 &90 or 90 to the face of the panel on all four sides complete with bolts holes
Reinforcement
Tank is supported either internally bracing (stays) and cleats (brackets) or externally by cold-formed hollow sections or I - Beam to ensure rigidity of tank up to maximum operating level. The internal acces sories i.e stays and cleats shall of equivalent stainless steel grade of panel with double washer at bottom tier of tank for 4.88M height tank
Seismic (Earthquake)
Up to 1.5G with external reinforcement
Bolts, Nuts & Washer
Hexagonal shaped and shall be of similar grade of panel
Sealant
Non-toxic and non-contaminating PVC Foam strips is supplied for jointing between flanges of panel and cleats for water tightness. Sealant shall be tested to BS6920:2000 and NSF61 approved
Roof cover & Airvent
Hydraulically pressed panel cover of 1m X 1m or 1 * 22 X 1 * 22m of similar to size and type (material), fabricated with 619mm lockable manhole access and insect proof vent for each compartment of tank. Min. clearance of 750mm at roof top for ease of access via manhole hatch. 100 Air vent shall be rust and vermin proof.
Ladders
Standard internal or similar height and finishes of panel. External ladder(s) can be of similar finish with tank or hot dipped galvanized to ISO 1461. Safety cage for external ladder as optional for tank height above 3mH
Level Indicator
Stainless steel or hot dip galvanized to ISO 1461:2009 indirect reading mechanical level indicator (ruler type)
Other option(s) - PVC transparent tube direct reading indicator calibrate in metel with float and valves can be supplied on request
Tank support (by others)
I-Beam or R.C. tank support shall be effective supported continuously under each bottom panel flange in one direction @1000mm or 1200mm centres exceeding 150mm the length or breath of tank
Min. 500mmH from ground level and min. clearance of 500mm shall be provided all around tank perimeter for erection and maintenance purpose
Steel capping flat shall be provided on tank plinth for tank above 3mH
Pipe connections & nozzles
Flange material connected to tank shall be equivalent to tank finish and all piping connected to tank must have its own support and vibration free to tank
Cleaning and Sterilization
The welded area at panel 45 & 90 on all four sides shall be tested with Dye Penetrant test to avoid pinholes. All welded area shall be cleaned with pickling acid and passivated to protect against contamination and corrosion. Panel handling and sterilization of finish panel shall conform to American Iron & Steel Institute (AISI) procedures
Packing
Each panel shall be protected with protective sheet to avoid contamination during handling. Wooden pallet packing and strapping are provided for protection
Thickness of Tank Panels size(s): 1M x 1M or 1.22M x 1.22M)
Tank Height: 1m/1.22m : Bottom, sides walls - 2.0mm
Tank Height: 2m/2.44m :
Tank installation
Tank shall be installed in according to manufactures installation manual, specifications, standards & drawing provided or supervise by manufacturer authorized person
Leak test
Leak teat with water felling at intermediate level of 1m or 122m and to be repeated until it reaches the intended water level
Panel
Hydraulically pressed with a combined double flanges welding at an angle of 45 & 90 or 90 to the face of the panel on all four sides complete with bolts holes
Reinforcement
Tank is supported either internally bracing (stays) and cleats (brackets) or externally by cold-formed hollow sections or I-Beam to ensure rigidity of tank up to maximum operating level. The internal accessories i.e stays and cleats shall of equivalent stainless steel grade of panel with double washer at bottom tier of tank for 4.88M height tank
